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Matches 1 - 50 out of 31,300

Document Document Title
WO/2018/129825A1
Provided is a smart half-bridge sine-wave voltage conversion circuit based on PFC interleaved flyback, comprising: an input rectifier filter unit (10); a PFC boost unit (20); an interleaved-flyback isolation transform unit (30), comprisi...  
WO/2018/129824A1
Provided is a smart half-bridge modified-wave voltage conversion circuit based on PFC interleaved flyback, comprising: an input rectifier filter unit (10); a PFC boost unit (20); an interleaved-flyback isolation transform unit (30), comp...  
WO/2018/130149A1
A power conversion apparatus and a control method for the power conversion apparatus, achieved by providing a power conversion unit group and a control unit; the power conversion unit group comprises at least two power conversion units w...  
WO/2018/130792A1
The invention relates to a regulation system for a control circuit of a rotating electrical machine having a rotor provided with a coil (208), the control circuit being provided with a transistor (205). The regulation system (1) comprise...  
WO/2018/129833A1
Provided is a smart sine-wave voltage conversion circuit based on MOS tube full-bridge rectification, comprising an alternating-current input unit (10), a MOS tube full-bridge rectifier unit (20), a PFC boost unit (30), a CLC filter unit...  
WO/2018/130558A1
A DC power supply system comprises first and second DC power distribution bus sections and a DC power switching assembly (122) comprises a plurality of series connected power switching units (121) and a current limiter (100). Each power ...  
WO/2018/132236A1
Systems and methods for operating a power converter with a plurality of inverter blocks with silicon carbide MOSFETs are provided. A DC to AC converter can include a plurality of inverter blocks. Each inverter block can include a plurali...  
WO/2018/130376A1
The invention relates to a charging cable for a motor vehicle which can be operated by electricity having a filter device. The charging cable (10) comprises a first conductor (L) and a second conductor (N) for transferring a current, a p...  
WO/2018/132342A1
Systems and methods for operating a power converter are provided. A DC to AC converter can include an inner converter and an outer converter. The inner converter can include an isolation transformer a first plurality of switching devices...  
WO/2018/130683A1
The invention discloses a two-loop controller architecture for digital control of a DC-DC converter regulating an output voltage configured to generate a pulse width modulation (PWM) signal to control a power stage in dependence of a vol...  
WO/2018/131324A1
The problem addressed by the present invention is to provide a technology for enhancing the accuracy of the high-frequency current detection of a current detection device. A current detection device according to the present invention is ...  
WO/2018/129834A1
Provided is a smart modified-wave voltage conversion circuit based on MOS tube full-bridge rectification, comprising an alternating-current input unit (10), a PFC boost unit (30), an inverting phase-inversion unit (50), and a MOS tube fu...  
WO/2018/131768A1
The present invention relates to a phase control apparatus and a phase control method using the same. The phase control apparatus comprises: a voltage distribution unit connected to a load for distributing a voltage across the load durin...  
WO/2018/130280A1
A method for fault handling in direct current, DC, power transmission between a first alternating current, AC, system and a second AC system is provided. The method includes detecting an occurrence of a phase-to-ground fault on an AC sid...  
WO/2018/130773A1
The invention relates to an electrical accumulator battery (5) charger (1) for an electric automotive vehicle, wherein at least two bridge arms (31, 32) of a Vienna rectifier (3) comprise a bidirectional insulated-gate field-effect trans...  
WO/2018/129835A1
A Vienna PFC-based smart half bridge sine wave voltage conversion circuit, comprising: an input unit (10), a Vienna PFC boost unit (20), and a half bridge inversion unit (30). The Vienna PFC boost unit comprises a boost inductor (L2), a ...  
WO/2018/129832A1
A Vienna PFC-based smart half bridge modified wave voltage conversion circuit, comprising: an input unit (10); a Vienna PFC boost unit (20), comprising a boost inductor (L2), a first switch transistor (Q3), a first diode (D1), a second d...  
WO/2018/126555A1
A smart sine wave voltage conversion circuit based on PFC, full bridge and half bridge, comprising: an input unit (10); a PFC boosting unit (20); a full bridge isolation transformer unit (30), comprising a first switch tube (Q6), a secon...  
WO/2018/126617A1
A wireless charging circuit with a constant-current constant-voltage compound topology. In the wireless charging circuit, a primary-side compensation module (31) comprises a first inductor (L1) and a first resonant capacitor (C1); a firs...  
WO/2018/126559A1
A water-cooled thin film capacitor (2), comprising a shell (2-1). A cooling cavity (2-2) and a capacitor core are provided in the shell (2-1); the capacitor core is connected to a direct current output end (2-4) by means of a bus provide...  
WO/2018/128833A1
Filter devices for use in power conversion systems utilizing silicon carbide MOSFETs are provided. A power conversion system can include a power converter configured to convert power from a first power to a second power. The second power...  
WO/2018/126640A1
A current equalizing device, method and system. The current equalizing device (702) comprises: a monitor (101) and at least two processors (102), wherein the at least two processors (102) and at least two external power supplies (701) co...  
WO/2018/128858A1
Systems and methods for grounding power generation systems with silicon carbide MOSFET power converters are provided. A power generation system can include a power generator comprising a multiphase rotor configured to generate multiphase...  
WO/2018/128856A1
Systems and methods for grounding power generation units with silicon carbide MOSFET power converters are provided. A power generation unit can include a power generator configured to generate multiphase alternating current power at a fi...  
WO/2018/124519A1
The present invention relates to an MMC converter system which can quickly cut off fault current by installing a plurality of disconnecting switch units on a line connected between two MMC converter devices. A modular multilevel converte...  
WO/2018/120878A1
A power transistor bias circuit relates to the field of electronic technology, can reduce effects on a bias voltage of a power transistor caused by switching thereof, and improves the stability of a control loop and the reliability of th...  
WO/2018/124523A2
The present invention relates to a power supply for a submodule controller of a modular multi-level converter (MMC) for supplying driving power to the submodule controller of the MMC linked with a high voltage direct current (HVDC) syste...  
WO/2018/122038A1
An arrangement (100) is disclosed, comprising an electrical pulse generating module (10) configured to generate at least one electrical pulse, and a transformer (20) electrically connected to the electrical pulse generating module (10). ...  
WO/2018/120483A1
A PFC interleaved flyback full bridge based intelligent sine-wave voltage conversion circuit, comprising an input unit (10); a PFC boosting unit (20); an interleaved flyback isolating transformation unit (30) comprising a first switching...  
WO/2018/122329A1
The invention pertains to an AC-DC converter circuit arrangement (1) for supplying a load, comprising: - a switched-mode input converter sub-stage (2) for converting a rectified input voltage (Vrect) into an intermediate voltage (VC1) hi...  
WO/2018/121821A1
A power conversion system for a wind turbine generator, comprising a machine-side converter having an AC voltage input from a generator and a DC voltage output to a DC link, wherein the machine-side converter is a modular multi-level con...  
WO/2018/122701A1
The invention relates to a frequency adaptive harmonic current generator developed for generating and measuring defined, steady and high-accuracy current harmonics. The invention is a frequency adaptive harmonic current generator, charac...  
WO/2018/123552A1
Provided are a snubber circuit capable of reducing a loss, and a power conversion system using the snubber circuit. A snubber circuit (3) is provided with a clamp circuit (31), and an insulated voltage conversion circuit (32). The clamp ...  
WO/2018/124568A1
A three-phase opening and closing control device of the present invention is a three-phase opening and closing control device which controls a breaker connected between a three-phase transformer and a system power supply, wherein the dev...  
WO/2018/122012A1
This multifrequency device (10) is configured to be connected via at least two conductors (121, 122) to an electricity supply grid (11). This device comprises: at least one radiofrequency module (13) comprising at least one first and one...  
WO/2018/122923A1
A filter device connected between an AC power supply (1) and a PWM converter (2) is provided with: a first AC reactor (3); a second AC reactor (4) connected between the PWM converter (2) and the first AC reactor (3); a filter capacitor (...  
WO/2018/124516A2
The present invention relates to a modular multilevel converter (MMC) and, more particularly, to a MMC converter comprising a preliminary sub-module which is provided between an upper converter arm of the MMC converter and a lower conver...  
WO/2018/126167A1
Described examples include systems, methods and apparatus for controlling off-time during a burst mode in an LLC converter (100). In one example, the LLC converter (100) has a primary side (102) and a burst mode controller (108). The bur...  
WO/2018/123521A1
The present invention provides a three-phase/single-phase AC power supply-compatible electric hoist in which a three-phase AC power supply-compatible electric hoist equipped with an inverter and an AC motor can be changed to a single-pha...  
WO/2018/124467A1
The present specification relates to a motor control device and a control method for the motor control device, and to a motor control device which can reduce harmonics of input current by controlling an output of an inverter, and a contr...  
WO/2018/124561A2
A method for removing a direct current component at an output terminal of an MMC converter according to an embodiment of the present invention comprises: a detection step of individually detecting charging voltages charged in capacitors ...  
WO/2018/124521A1
The present invention provides a switching control method for an isolated bidirectional DC-DC converter, the method enabling highly efficient control by mixedly using a plurality of switching controls according to a battery voltage in th...  
WO/2018/124670A1
A PWM signal generator and a lighting control apparatus having the same are disclosed. The PWM signal generator according to one embodiment of the present invention comprises: a first comparison unit for comparing a duty value being inpu...  
WO/2018/120482A1
A PFC staggered flyback full bridge-based smart correction wave voltage conversion circuit, comprising: an input unit (10); a PFC boost unit (20); a staggered flyback isolation transformer unit (30), comprising a first switch transistor ...  
WO/2018/120828A1
A power supply converter, comprising a branch a, a branch b, a second transformer (T1B), a first transistor (Q1), a second transistor (Q2) and a first transformer (T1A). The power supply converter can not only accelerate the starting of ...  
WO/2018/121594A1
Disclosed are a voltage adjustment method (300), a controller (110), and a chip (100). The method comprises: a controller receiving a digital first-state representation value sent by a sensor (130), wherein the first-state representation...  
WO/2018/122116A1
A power converter circuit comprises a voltage input, a voltage output, and a storage inductor. The power converter circuit additionally comprises at least four power switches, wherein a first power switch of the four power switches coupl...  
WO/2018/114322A1
A synchronous converter for driving a load (4) comprises a first switch (M1) coupled in series with a second switch (M2) via a node (x), an inductor (L1) coupled to the node (x), input terminals (10, 11) for receiving an input voltage (V...  
WO/2018/113960A1
A communications network (10-15) for communication between at least one power electronics element (20, 21, 28) and at least one control unit (30) is disclosed. According to one or more embodiments of the present invention, the communicat...  
WO/2018/117527A1
Disclosed is a power supply apparatus capable of reducing cost and lowering the current in stand-by mode. The power supply apparatus comprises: a primary rectifier circuit for flattening alternating current; a transformer comprising a pr...  

Matches 1 - 50 out of 31,300